仪表气源管气压试验压力应为设计压力的（）倍。
A.1.15
B.1.5
C.1.25
D.1.75
参考答案：A
Tom sounds very much ________ in the job, but I'm not sure whether he can manage it.
A．interested
B．interesting
C．interestingly
D．interestedly
下列选项中，正确的C++表达式是
A．counter++3
B．element3+
C．a+=b
D．'a'=b
